JLSEC-2025-29

    Dashboard / Vulnerabilities / JLSEC-2025-29

    JLSEC-2025-29

    Published: 10 Oct 2025Last Modified: 25 Jul 2026
    Upstream:
    CVE-2021-22945

    Summary: When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances...

    Details: When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it *again*.

    References: http://seclists.org/fulldisclosure/2022/Mar/29, https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf, https://hackerone.com/reports/1269242, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/, https://security.gentoo.org/glsa/202212-01, https://security.netapp.com/advisory/ntap-20211029-0003/, https://support.apple.com/kb/HT213183, https://www.debian.org/security/2022/dsa-5197, https://www.oracle.com/security-alerts/cpuoct2021.html

    Affected packages

    Package

    Name: LibCURL_jll

    Purl: pkg:julia/LibCURL_jll?uuid=deac9b47-8bc7-5906-a0fe-35ac56dc84c0

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 7.70.0+0
    Fixed -7.81.0+0

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    JLSEC-2025-29 | CVE-DB